#include<stdio.h>
#include<string.h>
int main()
{
	char arr1[] = "asd";
	char arr2[] = { 'a', 'b', 'c','\0'};
    int len = strlen(arr1);
	int len2 = strlen(arr2);
	printf("%d\n",len);
	printf("%d\n", len2);
	printf("%s\n", "abc");
	printf("%s\n", "abc\0df");
	return 0;
}
